4MQJ

Structure of Wild-type Fetal Human Hemoglobin HbF

• PDB DOI: https://doi.org/10.2210/pdb4MQJ/pdb

• Classification: OXYGEN TRANSPORT
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-09-16 Released: 2013-10-02 
• Deposition Author(s): Soman, J., Olson, J.S.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.215 
• R-Value Work: 0.180 
• R-Value Observed: 0.180 

Literature

Structure of Wild-type Fetal Human Hemoglobin HbF

Soman, J., Olson, J.S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Dihedral - D2  (Explore in 3D)
Pseudo Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Dihedral - D2  (Explore in 3D)
Pseudo Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 129.91 kDa 
• Atom Count: 10,369 
• Modelled Residue Count: 1,147 
• Deposited Residue Count: 1,148 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A, C [auth G], E [auth C], G [auth E]	141	Homo sapiens	Mutation(s): 0  Gene Names: HBA1, HBA2
UniProt & NIH Common Fund Data Resources
Find proteins for P69905 (Homo sapiens) Explore P69905  Go to UniProtKB:  P69905
PHAROS:  P69905 GTEx:  ENSG00000188536 ENSG00000206172

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit gamma-2	B, D [auth H], F [auth D], H [auth F]	146	Homo sapiens	Mutation(s): 0  Gene Names: HBG2
UniProt & NIH Common Fund Data Resources
Find proteins for P69892 (Homo sapiens) Explore P69892  Go to UniProtKB:  P69892
PHAROS:  P69892 GTEx:  ENSG00000196565

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	I [auth A], K [auth B], L [auth G], N [auth H], O [auth C], Q [auth D], R [auth E], T [auth F]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
OXY	U [auth F]	OXYGEN MOLECULE O2 MYMOFIZGZYHOMD-UHFFFAOYSA-N
CMO	J [auth A], M [auth G], P [auth C], S [auth E]	CARBON MONOXIDE C O UGFAIRIUMAVXCW-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.215 
• R-Value Work: 0.180 
• R-Value Observed: 0.180 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.651	α = 90
b = 52.427	β = 113.84
c = 106.153	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-10-02 
Deposition Author(s): Soman, J., Olson, J.S.

Revision History  

• Version 1.0: 2013-10-02
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references, Derived calculations